/Engine/Plugins/Developer/Concert/ConcertMain/Source/ConcertTransport/Public/IConcertEndpoint.h
Register an handler for event received by this endpoint
template<typename EventType, typename HandlerType> void RegisterEventHandler ( HandlerType * Handler, typename [TConcertRawEventHandler](API\Plugins\ConcertTransport\TConcertRawEventHandler)< HandlerType >::FFuncType Func )